Add Z Fade Height edit to UBL and Tune submenus (#9738)

Marlin/src/lcd/ultralcd.cpp

     #include "../feature/bedlevel/mbl/mesh_bed_leveling.h"
   #endif
 
+  #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
+    static float new_z_fade_height;
+    void _lcd_set_z_fade_height() { set_z_fade_height(new_z_fade_height); }
+  #endif
+
   ////////////////////////////////////////////
   //////////// Menu System Actions ///////////
   ////////////////////////////////////////////
    *
    */
 
+  #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
+    void _lcd_goto_tune_menu() {
+      lcd_goto_screen(lcd_tune_menu);
+      new_z_fade_height = planner.z_fade_height;
+    }
+  #endif
+
   void lcd_main_menu() {
     START_MENU();
     MENU_BACK(MSG_WATCH);
     #endif
 
     if (planner.movesplanned() || IS_SD_PRINTING) {
-      MENU_ITEM(submenu, MSG_TUNE, lcd_tune_menu);
+      MENU_ITEM(submenu, MSG_TUNE,
+        #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
+          _lcd_goto_tune_menu
+        #else
+          lcd_tune_menu
+        #endif
+      );
     }
     else {
       MENU_ITEM(submenu, MSG_PREPARE, lcd_prepare_menu);
     #if ENABLED(MESH_BED_LEVELING) && ENABLED(LCD_BED_LEVELING)
       MENU_ITEM_EDIT(float43, MSG_BED_Z, &mbl.z_offset, -1, 1);
     #endif
-
+    #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
+      MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(float3, MSG_Z_FADE_HEIGHT, &new_z_fade_height, 0.0, 100.0, _lcd_set_z_fade_height);
+    #endif
     //
     // Nozzle:
     // Nozzle [1-4]:
     static bool new_level_state;
     void _lcd_toggle_bed_leveling() { set_bed_leveling_enabled(new_level_state); }
 
-    #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
-      static float new_z_fade_height;
-      void _lcd_set_z_fade_height() { set_z_fade_height(new_z_fade_height); }
-    #endif
-
     /**
      * Step 1: Bed Level entry-point
      *
       END_MENU();
     }
 
-    void _lcd_goto_bed_leveling() {
-      lcd_goto_screen(lcd_bed_leveling);
-      #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
+    #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
+      void _lcd_goto_bed_leveling() {
+        lcd_goto_screen(lcd_bed_leveling);
         new_z_fade_height = planner.z_fade_height;
-      #endif
-    }
+      }
+    #endif
 
   #elif ENABLED(AUTO_BED_LEVELING_UBL)
 
     void _lcd_ubl_level_bed();
 
+    #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
+      void _lcd_goto_ubl_level_bed() {
+        lcd_goto_screen(_lcd_ubl_level_bed);
+        new_z_fade_height = planner.z_fade_height;
+      }
+    #endif
+
     static int16_t ubl_storage_slot = 0,
                custom_hotend_temp = 190,
                side_points = 3,
       MENU_ITEM(submenu, MSG_UBL_OUTPUT_MAP, _lcd_ubl_output_map);
       MENU_ITEM(submenu, MSG_UBL_TOOLS, _lcd_ubl_tools_menu);
       MENU_ITEM(gcode, MSG_UBL_INFO_UBL, PSTR("G29 W"));
+      #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
+        MENU_MULTIPLIER_ITEM_EDIT_CALLBACK(float3, MSG_Z_FADE_HEIGHT, &new_z_fade_height, 0.0, 100.0, _lcd_set_z_fade_height);
+      #endif
       END_MENU();
     }
 
     // Level Bed
     //
     #if ENABLED(AUTO_BED_LEVELING_UBL)
-      MENU_ITEM(submenu, MSG_UBL_LEVEL_BED, _lcd_ubl_level_bed);
+      MENU_ITEM(submenu, MSG_UBL_LEVEL_BED,
+        #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
+          _lcd_goto_ubl_level_bed
+        #else
+          _lcd_ubl_level_bed
+        #endif        
+      );
     #elif ENABLED(LCD_BED_LEVELING)
       #if ENABLED(PROBE_MANUALLY)
         if (!g29_in_progress)